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Institution

Tongji University

EducationShanghai, China
About: Tongji University is a education organization based out in Shanghai, China. It is known for research contribution in the topics: Population & Adsorption. The organization has 76116 authors who have published 81176 publications receiving 1248911 citations. The organization is also known as: Tongji & Tóngjì Dàxué.


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TL;DR: In this article, the Least Squares Regression (LSR) method was proposed for subspace segmentation, which takes advantage of data correlation and encourages a grouping effect which tends to group highly correlated data together.
Abstract: This paper studies the subspace segmentation problem which aims to segment data drawn from a union of multiple linear subspaces. Recent works by using sparse representation, low rank representation and their extensions attract much attention. If the subspaces from which the data drawn are independent or orthogonal, they are able to obtain a block diagonal affinity matrix, which usually leads to a correct segmentation. The main differences among them are their objective functions. We theoretically show that if the objective function satisfies some conditions, and the data are sufficiently drawn from independent subspaces, the obtained affinity matrix is always block diagonal. Furthermore, the data sampling can be insufficient if the subspaces are orthogonal. Some existing methods are all special cases. Then we present the Least Squares Regression (LSR) method for subspace segmentation. It takes advantage of data correlation, which is common in real data. LSR encourages a grouping effect which tends to group highly correlated data together. Experimental results on the Hopkins 155 database and Extended Yale Database B show that our method significantly outperforms state-of-the-art methods. Beyond segmentation accuracy, all experiments demonstrate that LSR is much more efficient.

428 citations

Journal ArticleDOI
TL;DR: It can be concluded that the single pyrolysis process is an effective waste-to-energy convertor but is not a guaranteed clean solution for MSW disposal.

428 citations

Journal ArticleDOI
05 Dec 2017-ACS Nano
TL;DR: This Perspective focuses on the physical origins and time evolution of the protein corona, differences in the nanoparticle-protein entity in in vitro and in vivo environments, the role of stealth polymers to minimize the formation of the Protein Corona, relevant computational and theoretical developments.
Abstract: In this Perspective, we reflect on a decade of research on the protein corona and contemplate its broad implications for future science and engineering at the bio–nano interface. Specifically, we focus on the physical origins and time evolution of the protein corona, differences in the nanoparticle–protein entity in in vitro and in vivo environments, the role of stealth polymers to minimize the formation of the protein corona, relevant computational and theoretical developments, and the “biocorona”, a concept extrapolated from the field of nanomedicine. We conclude the Perspective by outlining future directions and opportunities concerning the protein corona in the coming decade.

427 citations

Journal ArticleDOI
TL;DR: Ideas for a form of Kirigami that allows precise, mechanically driven assembly of 3D mesostructures of diverse materials from 2D micro/nanomembranes with strategically designed geometries and patterns of cuts are introduced.
Abstract: Assembly of 3D micro/nanostructures in advanced functional materials has important implications across broad areas of technology. Existing approaches are compatible, however, only with narrow classes of materials and/or 3D geometries. This paper introduces ideas for a form of Kirigami that allows precise, mechanically driven assembly of 3D mesostructures of diverse materials from 2D micro/nanomembranes with strategically designed geometries and patterns of cuts. Theoretical and experimental studies demonstrate applicability of the methods across length scales from macro to nano, in materials ranging from monocrystalline silicon to plastic, with levels of topographical complexity that significantly exceed those that can be achieved using other approaches. A broad set of examples includes 3D silicon mesostructures and hybrid nanomembrane–nanoribbon systems, including heterogeneous combinations with polymers and metals, with critical dimensions that range from 100 nm to 30 mm. A 3D mechanically tunable optical transmission window provides an application example of this Kirigami process, enabled by theoretically guided design.

425 citations

Journal ArticleDOI
TL;DR: New insights are provided into plastic particles' effects on zebrafish larvae, improving the understanding of their environmental risks to the aquatic environment and changing the larvae swimming behavior when co-exposed with EE2.

425 citations


Authors

Showing all 76610 results

NameH-indexPapersCitations
Gang Chen1673372149819
Yang Yang1642704144071
Georgios B. Giannakis137132173517
Jian Li133286387131
Jianlin Shi12785954862
Zhenyu Zhang118116764887
Ju Li10962346004
Peng Wang108167254529
Qian Wang108214865557
Yan Zhang107241057758
Richard B. Kaner10655766862
Han-Qing Yu10571839735
Wei Zhang104291164923
Fabio Marchesoni10460774687
Feng Li10499560692
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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
2023238
20221,051
20219,713
20208,502
20197,517
20186,352